:root {
  color-scheme: light dark;
  --paper: #ffffff;
  --ink: #111;
  --muted: #666;
  --line: #1a3a6c;
  --category-color: #1a3a6c;
  --date-color: #1a3a6c;
  --accent: #1a3a6c;
  --button-ink: #fff;
  --body-size: 18px;
  --title-size: 23px;
  --meta-size: 13px;
  --reading-width: 700px;
  --sidebar-width: 160px;
  --column-gap: 56px;
  --essay-gap: 56px;
  --sans: system-ui, -apple-system, 'Noto Sans TC', sans-serif;
  --serif: Georgia, 'Noto Serif TC', 'Songti TC', serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: var(--body-size)/1.65 var(--sans); }
a { color: inherit; text-decoration: none; transition: color 150ms, background-color 150ms; }
a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
.shell { width: min(calc(100% - 80px), calc(var(--reading-width) + var(--sidebar-width) + var(--column-gap))); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 14px; border-bottom: 1px solid var(--line); }
.site-name { font-weight: 750; font-size: 19px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 12px 22px; font-size: 14px; }
.subscribe { background: var(--accent); color: var(--button-ink); padding: 3px 12px; }
.subscribe:hover { color: var(--button-ink); }
.site-name img { display: block; width: auto; max-width: 180px; height: 36px; object-fit: contain; }
.editorial { padding-block: 32px 64px; }
.page-title { font: 600 30px/1.4 var(--serif); margin: 0 0 40px; }
.essay-group { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, var(--reading-width)); gap: var(--column-gap); margin-bottom: 64px; }
.group-title { color: var(--category-color); margin: 0; padding-right: 20px; font: 650 22px/1.5 var(--sans); text-align: right; }
.group-content { border-left: 1px solid var(--line); padding-left: 32px; }
.back-link { display: inline-block; margin-bottom: 24px; font-size: var(--meta-size); }
.browse-more { display: inline-block; margin-left: 120px; font-size: var(--meta-size); letter-spacing: .04em; }
.empty { margin: 0 0 24px; color: var(--muted); }
.compact .essay { margin-bottom: 36px; }
.essay { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 24px; margin-bottom: var(--essay-gap); }
time { padding-top: 5px; color: var(--date-color); font: var(--meta-size)/1.7 var(--sans); letter-spacing: .04em; }
.essay h3 { font: 500 var(--title-size)/1.65 var(--serif); margin: 0 0 18px; overflow-wrap: anywhere; }
.essay p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.85; letter-spacing: .015em; overflow-wrap: anywhere; }
.pagination { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; padding-top: 24px; border-top: 1px solid var(--line); font-size: var(--meta-size); color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; border-top: 1px solid var(--line); padding-block: 24px 40px; color: var(--muted); font-size: var(--meta-size); }
.skip-link { position: absolute; left: 20px; top: -100px; background: var(--paper); padding: 10px; z-index: 10; }
.skip-link:focus { top: 10px; }
@media (max-width: 760px) {
  .shell { width: calc(100% - 40px); }
  .site-header { flex-direction: column; gap: 18px; padding-block: 12px; }
  .editorial { padding-block: 24px 40px; }
  .essay-group { display: block; margin-bottom: 48px; }
  .group-title { text-align: left; padding: 0; margin-bottom: 20px; font-size: 21px; }
  .group-content { border-left: 0; border-top: 1px solid var(--line); padding: 20px 0 0; }
  .browse-more { margin-left: 0; }
  .essay { display: block; margin-bottom: 44px; }
  time { display: block; padding: 0; margin-bottom: 8px; }
  h1 { font-size: 30px; }
  .section-header { margin-bottom: 36px; }
  :root { --title-size: 21px; --body-size: 17px; }
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #171717; --ink: #f2f2ed; --muted: #b3b3ad; --line: #9cbeef; --category-color: #9cbeef; --date-color: #9cbeef; --accent: #9cbeef; --button-ink: #171717; }
}
@media (prefers-reduced-motion: reduce) { a { transition: none; } }